mirror of
https://github.com/restic/restic.git
synced 2024-12-27 02:08:37 +00:00
73 lines
2.7 KiB
Go
73 lines
2.7 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package bigquery
|
|
|
|
import (
|
|
"io"
|
|
|
|
bq "google.golang.org/api/bigquery/v2"
|
|
)
|
|
|
|
// GCSReference is a reference to one or more Google Cloud Storage objects, which together constitute
|
|
// an input or output to a BigQuery operation.
|
|
type GCSReference struct {
|
|
// URIs refer to Google Cloud Storage objects.
|
|
URIs []string
|
|
|
|
FileConfig
|
|
|
|
// DestinationFormat is the format to use when writing exported files.
|
|
// Allowed values are: CSV, Avro, JSON. The default is CSV.
|
|
// CSV is not supported for tables with nested or repeated fields.
|
|
DestinationFormat DataFormat
|
|
|
|
// Compression specifies the type of compression to apply when writing data
|
|
// to Google Cloud Storage, or using this GCSReference as an ExternalData
|
|
// source with CSV or JSON SourceFormat. Default is None.
|
|
Compression Compression
|
|
}
|
|
|
|
// NewGCSReference constructs a reference to one or more Google Cloud Storage objects, which together constitute a data source or destination.
|
|
// In the simple case, a single URI in the form gs://bucket/object may refer to a single GCS object.
|
|
// Data may also be split into mutiple files, if multiple URIs or URIs containing wildcards are provided.
|
|
// Each URI may contain one '*' wildcard character, which (if present) must come after the bucket name.
|
|
// For more information about the treatment of wildcards and multiple URIs,
|
|
// see https://cloud.google.com/bigquery/exporting-data-from-bigquery#exportingmultiple
|
|
func NewGCSReference(uri ...string) *GCSReference {
|
|
return &GCSReference{URIs: uri}
|
|
}
|
|
|
|
// Compression is the type of compression to apply when writing data to Google Cloud Storage.
|
|
type Compression string
|
|
|
|
const (
|
|
None Compression = "NONE"
|
|
Gzip Compression = "GZIP"
|
|
)
|
|
|
|
func (gcs *GCSReference) populateLoadConfig(lc *bq.JobConfigurationLoad) io.Reader {
|
|
lc.SourceUris = gcs.URIs
|
|
gcs.FileConfig.populateLoadConfig(lc)
|
|
return nil
|
|
}
|
|
|
|
func (gcs *GCSReference) toBQ() bq.ExternalDataConfiguration {
|
|
conf := bq.ExternalDataConfiguration{
|
|
Compression: string(gcs.Compression),
|
|
SourceUris: append([]string{}, gcs.URIs...),
|
|
}
|
|
gcs.FileConfig.populateExternalDataConfig(&conf)
|
|
return conf
|
|
}
|